US20070278433A1 - Out of round detector - Google Patents
Out of round detector Download PDFInfo
- Publication number
- US20070278433A1 US20070278433A1 US11/445,893 US44589306A US2007278433A1 US 20070278433 A1 US20070278433 A1 US 20070278433A1 US 44589306 A US44589306 A US 44589306A US 2007278433 A1 US2007278433 A1 US 2007278433A1
- Authority
- US
- United States
- Prior art keywords
- bottle
- inspected
- spot
- axis
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
- B07C5/3408—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level for bottles, jars or other glassware
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N2033/0078—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects
- G01N2033/0081—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects containers; packages; bottles
Definitions
- the present invention relates to inspection machines for verifying that a formed bottle has a desired cylindrical shape.
- FIG. 1 is a schematic representation of an out of round inspection machine made in accordance with the teachings of the present invention
- FIG. 2 is a schematic showing of the out of round inspection in accordance with the teachings of the present invention.
- FIG. 3 is a schematic showing of the out of round inspection with the camera viewing line and the laser beam defining a vertical angle.
- FIG. 1 discloses an inspection machine having a support table 10 rotatable about a vertical axis A-A.
- the table is indexed from position to position and inspections can take place at any position (pockets 12 represent the discrete locations of bottles 14 on the table) and the illustrated bottle is shown located at the “out of round” inspection position.
- the bottle will be rotated about its axis B-B, by bottle rotators 15 , while the bottle is located at the out of round inspection position.
- These rotors are a part of an overall rotator means or mechanism made up of the rotors and their drive.
- a Laser 16 directs a beam at the wall of the bottle. As can be seen from FIG. 2 , this laser beam is directed at the axis B-B of the bottle. The laser beam creates a small spot 18 of diffused light at the bottle surface and a Camera 20 is aimed at an angle ⁇ to the laser beam to see that spot. As the bottle rotates about its axis, the location of this spot on the CCD image field of the camera will vary as the spot moves between location 18 A where the rotating bottle will have a minimum diameter and location 18 B where the rotating bottle will have a maximum diameter.
- the displacement distance of the spot as the bottle rotates which is computed by the Control 22 , indicates how much the bottle is out of round and an Out Of Round Limit defining the maximum displacement can be input by the operator so that a reject signal will be generated for a bottle that is beyond the acceptable out of round limit. While the illustrated angle ⁇ is shown in a horizontal plane, it can also be in a vertical or other plane as shown in FIG. 3 where the surface of the glass bottle 14 being inspected is vertical.
Abstract
Description
- The present invention relates to inspection machines for verifying that a formed bottle has a desired cylindrical shape.
- Cylindrical glass bottles formed in an I. S. machine must satisfy any number of functional and appearance qualifications. One of these is that the bottle should be cylindrical and when it is “out of round” to a selected degree, the bottle is rejected. Patented technologies can be seen in U.S. Pat. Nos. 4,368,641, and 5,414,939.
- It is an object of the present invention to provide an out of round detector which is very simple to implement.
- Other objects and advantages of the present invention will become apparent from the following portion of this specification and from the accompanying drawings which illustrate, in accordance with the mandate of the patent statutes, a presently preferred embodiment incorporating the principles of the invention.
-
FIG. 1 is a schematic representation of an out of round inspection machine made in accordance with the teachings of the present invention; -
FIG. 2 is a schematic showing of the out of round inspection in accordance with the teachings of the present invention; and -
FIG. 3 is a schematic showing of the out of round inspection with the camera viewing line and the laser beam defining a vertical angle. -
FIG. 1 , discloses an inspection machine having a support table 10 rotatable about a vertical axis A-A. The table is indexed from position to position and inspections can take place at any position (pockets 12 represent the discrete locations ofbottles 14 on the table) and the illustrated bottle is shown located at the “out of round” inspection position. The bottle will be rotated about its axis B-B, bybottle rotators 15, while the bottle is located at the out of round inspection position. These rotors are a part of an overall rotator means or mechanism made up of the rotors and their drive. - At the inspection position a
Laser 16 directs a beam at the wall of the bottle. As can be seen fromFIG. 2 , this laser beam is directed at the axis B-B of the bottle. The laser beam creates asmall spot 18 of diffused light at the bottle surface and aCamera 20 is aimed at an angle Ø to the laser beam to see that spot. As the bottle rotates about its axis, the location of this spot on the CCD image field of the camera will vary as the spot moves betweenlocation 18A where the rotating bottle will have a minimum diameter andlocation 18B where the rotating bottle will have a maximum diameter. The displacement distance of the spot as the bottle rotates, which is computed by theControl 22, indicates how much the bottle is out of round and an Out Of Round Limit defining the maximum displacement can be input by the operator so that a reject signal will be generated for a bottle that is beyond the acceptable out of round limit. While the illustrated angle Ø is shown in a horizontal plane, it can also be in a vertical or other plane as shown inFIG. 3 where the surface of theglass bottle 14 being inspected is vertical.
Claims (3)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/445,893 US7582856B2 (en) | 2006-06-02 | 2006-06-02 | Out of round detector |
EP07107297A EP1862228B1 (en) | 2006-06-02 | 2007-05-01 | Out of round detector |
JP2007122040A JP5539613B2 (en) | 2006-06-02 | 2007-05-07 | Bottle inspection equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/445,893 US7582856B2 (en) | 2006-06-02 | 2006-06-02 | Out of round detector |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070278433A1 true US20070278433A1 (en) | 2007-12-06 |
US7582856B2 US7582856B2 (en) | 2009-09-01 |
Family
ID=38372517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/445,893 Active US7582856B2 (en) | 2006-06-02 | 2006-06-02 | Out of round detector |
Country Status (3)
Country | Link |
---|---|
US (1) | US7582856B2 (en) |
EP (1) | EP1862228B1 (en) |
JP (1) | JP5539613B2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102809351B (en) * | 2012-08-06 | 2015-03-25 | 北京大恒图像视觉有限公司 | Wall thickness detecting device and wall thickness detecting method for transparent and semitransparent glass bottles |
US10012598B2 (en) | 2015-07-17 | 2018-07-03 | Emhart S.A. | Multi-wavelength laser check detection tool |
DE102015220002B4 (en) * | 2015-10-15 | 2018-06-14 | Bayerische Motoren Werke Aktiengesellschaft | Method for continuous measurement of outer contours and measuring device for carrying out the method |
CN109894391A (en) * | 2019-03-06 | 2019-06-18 | 东莞中科蓝海智能视觉科技有限公司 | A kind of automatic detection device detecting surface blemish |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682802A (en) * | 1946-08-23 | 1954-07-06 | Owens Illinois Glass Co | Gauging and detecting apparatus |
US4368641A (en) * | 1981-01-30 | 1983-01-18 | Powers Manufacturing, Inc. | Out-of-round detector |
US4608709A (en) * | 1983-03-08 | 1986-08-26 | Owens-Illinois, Inc. | Method and apparatus for gauging containers |
US6549292B1 (en) * | 2000-10-17 | 2003-04-15 | Agr International, Inc. | Method and apparatus for inspecting hollow transparent articles |
US6806459B1 (en) * | 2001-08-30 | 2004-10-19 | Owens-Brockway Glass Container Inc. | Measurement of transparent container sidewall thickness |
US20060006352A1 (en) * | 2004-07-09 | 2006-01-12 | Juvinall John W | Apparatus and method for inspecting ribbed containers |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672200A (en) | 1985-11-05 | 1987-06-09 | Emhart Industries, Inc. | Optical inspection of transparent layers |
GB8611728D0 (en) | 1986-05-14 | 1986-06-25 | Tole W R | Determining thickness of glass plates & tubes |
EP0320139A3 (en) | 1987-12-08 | 1990-08-08 | Emhart Industries, Inc. | Optical measurement of wall thickness of transparent articles |
JPH05113321A (en) * | 1991-02-15 | 1993-05-07 | Inter Detsuku:Kk | Measuring method for unevenness of surface of object |
JP3333048B2 (en) * | 1994-06-28 | 2002-10-07 | 三菱原子燃料株式会社 | Cylindrical inspection equipment |
DE10023172C5 (en) * | 2000-05-11 | 2007-01-04 | Lap Gmbh Laser Applikationen | Method and device for measuring the out-of-roundness of elongate workpieces |
JP3917856B2 (en) * | 2001-12-27 | 2007-05-23 | 大和製罐株式会社 | Container thread inspection apparatus and inspection method |
US6975410B1 (en) | 2002-04-15 | 2005-12-13 | Sturgill Dennis T | Measuring device |
US7595870B2 (en) * | 2004-11-10 | 2009-09-29 | Owens-Brockway Glass Container Inc. | Optical inspection of container walls |
-
2006
- 2006-06-02 US US11/445,893 patent/US7582856B2/en active Active
-
2007
- 2007-05-01 EP EP07107297A patent/EP1862228B1/en not_active Expired - Fee Related
- 2007-05-07 JP JP2007122040A patent/JP5539613B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682802A (en) * | 1946-08-23 | 1954-07-06 | Owens Illinois Glass Co | Gauging and detecting apparatus |
US4368641A (en) * | 1981-01-30 | 1983-01-18 | Powers Manufacturing, Inc. | Out-of-round detector |
US4608709A (en) * | 1983-03-08 | 1986-08-26 | Owens-Illinois, Inc. | Method and apparatus for gauging containers |
US6549292B1 (en) * | 2000-10-17 | 2003-04-15 | Agr International, Inc. | Method and apparatus for inspecting hollow transparent articles |
US6806459B1 (en) * | 2001-08-30 | 2004-10-19 | Owens-Brockway Glass Container Inc. | Measurement of transparent container sidewall thickness |
US20060006352A1 (en) * | 2004-07-09 | 2006-01-12 | Juvinall John W | Apparatus and method for inspecting ribbed containers |
Also Published As
Publication number | Publication date |
---|---|
JP5539613B2 (en) | 2014-07-02 |
JP2007322419A (en) | 2007-12-13 |
EP1862228B1 (en) | 2012-03-28 |
US7582856B2 (en) | 2009-09-01 |
EP1862228A1 (en) | 2007-12-05 |
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Owner name: EMHART GLASS S.A., SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WEBER, GARY C.;FURNAS, WILLIAM J.;DIEHR, RICHARD D.;REEL/FRAME:018177/0276;SIGNING DATES FROM 20060706 TO 20060710 |
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